New Tennant T391 Walk-Behind Scrubber
Our Take (from the SES Sales Team)
“The T391 is the step up for facilities that have outgrown a 20-inch walk-behind but don't have the room or budget for a rider. It scrubs a 28- or 32-inch path with two discs, carries 18.5 gallons of solution, and drives itself, so the operator steers instead of pushing. Warehouses, school hallways and gyms, big-box retail and distribution centers are the kind of floors it is built for.
Pick the deck by your space: the 28-inch turns tighter around racks and furniture, while the 32-inch is rated by Tennant at almost 48,000 square feet an hour on open floor. Then pick the cleaning method. Conventional uses your normal detergent; ec-H2O cleans with converted water for daily maintenance and cuts down on chemical handling. Sealed AGM batteries add a little run time and skip the watering chores, which matters if nobody on the crew owns battery care.”
Tennant T391: a mid-size self-propelled walk-behind floor scrubber
The Tennant T391 is a battery-powered, self-propelled walk-behind floor scrubber with a dual-disc scrub head in a 28 in (700 mm) or 32 in (800 mm) cleaning path. Matching 18.5 gal (70 L) solution and recovery tanks let it cover more floor between dump-and-fill stops than a smaller walk-behind, and a self-leveling brush/pad head keeps even contact with the floor. It is built for larger open floors than a 20 in machine handles well, and it runs on a 24 V battery system with an on-board charger. Every version can be ordered with conventional cleaning or with ec-H2O NanoClean® technology.
Choose your configuration
Compare the T391 versions
| T391 conventional | T391 with ec-H2O NanoClean® | |
|---|---|---|
| Cleaning method | Water and detergent | Electrically converted water in place of daily detergent |
| Cleaning path | 28 in or 32 in dual disc | 28 in or 32 in dual disc |
| Battery choices | Two 12 V, 130 Ah wet or two 12 V, 140 Ah sealed AGM | Two 12 V, 130 Ah wet or two 12 V, 140 Ah sealed AGM |
| Best for | Mixed soils and sites that already use floor chemicals | Daily maintenance scrubbing with less chemical handling |
| Packages here | 2181108 (AGM), 2181109 (wet), 2181112 (AGM), 2181113 (wet) | 2181110 (AGM), 2181111 (wet), 2181114 (AGM), 2181115 (wet) |
Reading the model numbers: Wet (flooded) batteries need regular watering; sealed AGM batteries do not, and Tennant rates them for slightly longer run time: up to 2.8 hours on the 28 in model and 2.6 hours on the 32 in model, against 2.6 and 2.4 hours on wet batteries. The 28 in deck is the more maneuverable choice; the 32 in deck covers the most floor per hour.
Features:
- Self-propel drive up to 4.3 mph (6.9 km/h) keeps the machine moving so the operator only steers
- Pre-programmed Standard and ECO settings; ECO mode lowers noise and water use and extends run time
- Large LCD display in 13 languages shows when the solution tank is low or the recovery tank is full
- No-tool, no-touch brush/pad change, 2-stage vacuum motor and standard Linatex® squeegee blades
- Yellow touch points and a wide recovery tank opening simplify daily maintenance and training

T391 dual-disc walk-behind

Open tank and 28 in dual-brush deck

Control panel and LCD display
T391 28 in / 32 in
Specifications
| Models | T391 28 in | T391 32 in |
| Cleaning Path | 28 in (70 cm) dual disc | 32 in (80 cm) dual disc |
| Theoretical Max Productivity | 40,139 sq ft/hr (3,729 m²/hr) | 47,953 sq ft/hr (4,455 m²/hr) |
| Drive System | Self-propelled, up to 4.3 mph (6.9 km/h) | |
| Solution / Recovery Tank | 18.5 gal (70 L) / 18.5 gal (70 L) | |
| Brush / Pad Speed | 220 rpm | |
| Down Pressure | 52 lb (23.6 kg) | 71 lb (32.2 kg) |
| Scrub Head Raise / Lower | Manual | |
| Squeegee Width | 33.2 in (84 cm) | |
| Battery Voltage | 24 V | |
| Batteries | Two 12 V, 130 Ah wet or 140 Ah sealed AGM | |
| Run Time (continuous scrubbing) | Up to 2.6 hr wet, 2.8 hr AGM | Up to 2.4 hr wet, 2.6 hr AGM |
| Charger | On-board | |
| Sound Level | 56 dBA in ECO mode | |
| Cleaning Technology | Conventional or ec-H2O NanoClean® | |
| Dimensions (L x W x H) | 51.1 x 33.2 x 40.7 in (130 x 84 x 103 cm) | 52.2 x 33.2 x 40.7 in (133 x 84 x 103 cm) |
| Weight (heaviest battery) | 388.5 lb (176.2 kg) | 419.3 lb (190.2 kg) |
| Model Numbers | 2181108–2181115 (deck size per package to be confirmed) | 2181108–2181115 (deck size per package to be confirmed) |
Technical specs may include optional equipment that is not included with all units.







